Glossary Of Terms And Symbols - Rinnai REU-V1620WG Service Manual

Glossary of Terms and Symbols

dB(A) - sound pressure level in decibels, "A" range
DC - direct current
AC - alternating current
WFCD - water flow control device
FB - feedback information
FF - feedforward information
Hz - Hertz
IC - integrated circuit
kPa - kilopascals
LED - light emitting diode
L/min - Litres per minute
mA - milliamps
MJ/h - megajoule per hour
mm - millimetres
OHS - overheat switch
PCB - printed circuit board
CPU - central processing unit
POT - potentiometer
rpm - revolutions per minute
SV - solenoid valve
ø - diameter
∆
o
C - temperature rise above ambient
POV - modulating valve
TE - thermal efficiency
TH - thermistor
T - temperature of incoming water
IN
T - temperature of outgoing water
OUT
Infinity REU-V1616W / REU-V1620W / REU-V2018W / REU-V2020W- iv -
Issue 2 - 21/03/06 ©Rinnai